Waistband Amplifier. Pump up the volume with the powerful, school-friendly amplifier that makes public speaking a snap - whether addressing an audience of 20 or 200! Powerful, wireless, and portable, delivering 25 watts of crystal-clear sound, this handy, high-quality amplifier seamlessly blends state-of-the-art wireless technology with a compact design that's built to last. Just fasten the wireless transmitter to your waist, clip on the professional-quality microphone, and start talking - LOUD and CLEAR!